2020 MERCEDES-BENZ AMG GT R-ROADSTER engine

Wa
rning/indicator lamp
Possible causes/consequences and M MSolutions #
Consult a qualified specialist workshop.
J Brake sy stem warning lamp
(red) The
red brake sy stem warning lamp is lit while the engine is running.
*Possible causes: R The brake forc e boosting is malfunctioning and the braking characteristics may be af fected.
R The reis insuf ficient brake fluid in the brake fluid reser voir. #
Notethe messages on the multifunction displa y. &
WARNING Risk of accident and inju ryif brake forc e boosting is malfunctioning
If brake forc e boosting is malfunctioning, increased brake pedal forc e may be necessary for braking. The braking
ch aracteristics may be impaired. The braking dis tance can increase in emergency braking situations. #
Stop in a safe location immediately. Do not continue driving! #
Consult a qualified specialist workshop. &
WARNING Risk of an accident due tolow brake fluid le vel
If th e brake fluid le vel is too lo w,the braking ef fect and the braking characteristics may be impaired. #
Stop theve hicle as soon as possible, paying attention toroad and traf fic conditions. Do not continue driv‐
ing. #
Consult a qualified specialist workshop. 396
Display messages and warning/indicator lamps

Driving saf
ety sy stems Wa
rning/indicator lamp
Possible causes/consequences and M MSolutions
! ABS warning lamp The
yellow ABS warning lamp is lit while the engine is running.
*ABS is malfunctioning. If th ere is an additional warning tone, EBD is malfunctioning.
Other driving sy stems and driving saf ety sy stems may also be malfunctioning. #
Notethe messages on the multifunction displa y. &
WARNING Thereis a risk of skidding if EBD or ABS is malfunctioning
The wheels may lock during braking.
The steerability and braking characteristics are heavily impaired and the braking dis tance may increase. In addi‐
tion, other driving saf ety sy stems are switched off. #
Drive on carefull y. #
Have the brake sy stem checked immediately at a qualified specialist workshop. ÷
ESP ®
wa rning lamp The
yellow ESP ®
wa rning lamp flashes while theve hicle is in motion.
or
The yellow ESP ®
wa rning lamp is lit while the engine is running.
* The yellow ESP ®
wa rning lamp flashes while theve hicle is in motion:
One or more wheels has reached its grip limit (/ page133). 398
Displaymessa ges and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and M MSolutions #
Adapt your driving style to suit thero ad and weather conditions.
* The yellow ESP warning lamp ®
is lit while the engine is running.
ESP ®
is malfunctioning.
Other driving sy stems and driving saf ety sy stems (e.g. BAS) may also be malfunctioning. #
Notethe messages on the multifunction displa y. &
WARNING Risk of skidding if ESP ®
is malfunctioning
If ESP ®
is malfunctioning, ESP ®
cannot car ryout vehicle stabilisation. In addition, other driving saf ety sy stems
are switched off. #
Drive on carefull y. #
Have ESP ®
ch ecked at a qualified specialist workshop. å
¤
The
yellow ESP ®
OFF warning lamps are lit while the engine is running.
* ESP ®
is deacti vated.
Other driving sy stems and driving saf ety sy stems may also be inoperative. &
WARNING Risk of skidding when driving wi thESP ®
deacti vated
ESP ®
does not act tostabilise theve hicle. The availability of fur ther driving saf ety sy stems is also limited. #
Drive on carefull y. Displ
aymessa ges and warning/indicator lamps 399

Wa
rning/indicator lamp
Possible causes/consequences and M MSolutions #
Deactivate ESP ®
only for as long as the situation requ ires.
If ESP ®
cannot be activated, ESP ®
is malfunctioning. #
Have ESP ®
ch ecked immediately at a qualified specialist workshop. #
Obser vethe no tes on deactivating ESP ®
(/ page 133).
å
Æ ESP
®
SPO RTis activated while the engine is running.
* When ESP ®
SPORT is acti vated, ESP ®
will stabilise theve hicle only toa limited extent. &
WARNING Risk of skidding if ESP ®
SPORT is used incor rectly
When you activate ESP ®
SPOR T,there is an increased risk of skidding and having an accident. #
Activate ESP ®
SPO RTonly in the circums tances described belo w. #
Obser vethe no tes on activating ESP ®
SPORT(/ page133). 400
Displaymessa ges and warning/indicator lamps

1,
2, 3 ...
12 V battery
see Battery (vehicle)
12 V so cket
see Soc ket (12 V) A
A/C function Switching on/o ff(control panel) .......... 101
ABS (Anti-lock Braking Sy stem) ............ .132
Ac celeration
see Kickdown
Ac cess data
Editing (Blue tooth®
) .............................2 61
Setting (Blue tooth®
) ............................ 258
Setting (business telephony) .............. .259
Ac cident and Breakdown Manage‐
ment
Mercedes me connect .........................2 53
Ac oustic locking verification signal
Ac tivating/deactivating ......................... 61Ac
tivating/deactivating automatic
vo lume adjustment
Burmes ter®
sur round sound sy stem ....2 87
Ac tive Brake Assi st
Fu nction/no tes ................................... 13 5
Setting ................................................. 13 8
Ac tive Di stance Assist DISTRO NIC......... 141
Calling up a speed ...............................1 43
Fu nction ............................................... 141
Increasing/decreasing speed .............. 14 3
Re quirements: .................................... .143
Selecting ............................................. 14 3
St eering wheel buttons ........................ 14 3
St oring a speed ................................... 14 3
Switching off/deacti vating .................. 14 3
Switching on/activating ...................... 14 3
Sy stem limitations ...............................1 41
Ac tive Se rvice Sy stem PLUS
see AS SYST PLUS
Ad aptive
see Lane Keeping Assist
Ad aptive brake lights ..............................13 8
Ad aptive cruise control
see Active Dis tance Assi stDISTRONIC Ad
aptive Highbeam Assist
Fu nction ................................................ 93
Switching on/o ff................................... 94
Ad ditional door lo ck.................................. 63
Ad diti ves.................................................. 342
Engine oil ............................................ 342
Fu el ..................................................... 342
Ad diti ves (engine oil)
see Additives
Ad diti ves (fuel)
see Fuel
Ad dress book
see Contacts
Ad justing the balance
Burmes ter®
high-end Sur round
sound sy stem ...................................... 288
Burmes ter®
sur round sound sy stem ....2 87
Ad justing the bass, mid- range and
treble
Burmes ter®
high-end Sur round
sound sy stem ...................................... 288
Burmes ter®
sur round sound sy stem ....2 87 Index
403

Au
tomatic distance control
see Active Dis tance Assi stDISTRONIC
Au tomatic driving lights ........................... 92
Au tomatic engine start (ECO start/
sto p function) ........................................... 111
Au tomatic engine stop (ECO start/
sto p function) ........................................... 111
Au tomatic front passen ger front air‐
bag deacti vation sy stem
see Automatic front passenger front
airbag shutoff
Au tomatic front passen ger front air‐
bag shu toff .......................................... 42, 44
Fu nction of the automatic front
passenger front airbag deactivation
sy stem ................................................... 42
PA SSENGER AIR BAG indicator lamp .... .44
Au tomatic mir rorfo lding function
Ac tivating/deactivating ...................... .100
Au tomatic transmission
Double-clutch function ......................... 121
Drive program display .......................... 11 8
Drive programs .................................... 11 7DY
NA MIC SELECT switch ..................... 11 7
E-SELECT selector le ver ....................... 11 9
Engaging drive position ........................ 121
Engaging neutral .................................. 12 0
Engaging pa rkposition ........................ 12 0
Engaging reve rsege ar ........................ .120
Kickdown ............................................. 12 2
Manual gear changing .......................... 121
St eering wheel gearshift paddles .........1 21
Tr ansmission position display .............. 11 9
Tr ansmission positions .........................1 19
Axle load Perm issible .......................................... 338 B
BA S (Brake Assist Sy stem) .................... .132
Battery Key ........................................................ 62
Battery see Bat tery (vehicle)
Bat tery (vehicle) ...................................... 314
Charging .............................................. 313
No tes ................................................... 310No
tes (s tarting assis tance and
ch arging) .............................................. 311
Re placing .............................................3 14
St arting assis tance .............................. 313
Belt see Seat belt
Blind Spot Assi st..................................... 15 9
Ac tivating/deactivating ...................... .160
Fu nction .............................................. 15 9
Sy stem limitations ...............................1 59
Blue tooth ®
................................................ 191
Information ..........................................1 90
Setting up an Internet connection ....... 258
Switching on/off ................................. 191
Switching profile (DUN/PAN) .............. 260
Blue tooth ®
audio
Ac tivating ............................................ 275
De-authorising (de-regis tering) the
device .................................................. 276
Information ..........................................2 73
Overview ..............................................2 74
Sea rching for a track ........................... 276
Sea rching for and auth orisingthe
device .................................................. 274406
Index

Chock
...................................................... .329
St orage location ..................................3 29
Cho ck
see Chock
Cleaning see Care
Climate control Activating/deactivating the A/C
function (contro l panel) ...................... .101
Ac tivating/deactivating the synchro‐
nisation function (contro l panel) ..........102
Air-reci rculation mode ........................ .102
Au tomatic control ................................ 102
Climate style function .......................... 102
Demi sting windo ws............................. 102
Fr ont air vents ..................................... 103
No te ..................................................... 101
Setting the climate style ......................1 02
Switching on/off ................................. 101
THERMOTRONIC contro l panel ............101
Ve ntilating theve hicle (con venience
opening) ................................................ 70
Climate style
Fu nction .............................................. 102Setting .................................................
102
Cockpit ........................................................ .6
Overview .................................................6
Cof fee cup symbol
see ATTENTION ASSIST
COMAND Online see Multimedia sy stem
COMAND Touch ....................................... 194
Child saf ety lock .................................. 194
Managing devices ................................ 19 3
COMAND Touch App
see COMAND Touch
Combination swit ch.................................. 92
Co mp ass ................................................. .228
Comp uter
see On-board computer
Connection status
Displ aying ............................................ 261
Overview .............................................. 261
Connectivity Setting up a hotspot via businesstel‐
ephony ................................................ .190 Contacts
................................................... 239
Calling up ............................................ 24 0
Del eting .............................................. .241
Downloading (from mobile phone) ...... 239
Impo rting ............................................ .240
Importing (o verview) ............................ 24 0
Information .......................................... 239
Making a call ........................................ 241
Na me form at ...................................... .240
Options ................................................ 241
St oring .................................................2 41
Controller Operating ............................................ 182
Con venience closing ................................. 70
Con venience opening ................................ 70
Cool down laps ......................................... 11 3
Coolant (engine) Check le vel .......................................... 294
No tes .................................................. 344
Copyright ................................................... 30
Cruise control .......................................... 13 8
Ac tivating ............................................ 13 9
Buttons ................................................ 13 9 Index
409

Display messages
¯ - - - km/h .................................. .370
ç - - - km/h ................................... .371
È - - - km/h ................................... 370
# 12V battery See Owner's Man‐
ual ....................................................... 381
5 Add 1 litre engine oil when
next refuelling .................................... .386
é ATTENTION ASSIST inoperative ..373
é ATTENTION ASSIS T:Take a
break! .................................................. 373
: Automatic driving lights inoper‐
ative .................................................... 354
 Change key bat teries ................. 352
J Check brake fluid le vel.............. .369
# Checkbrake pads See Owner's
Manual ................................................ 369
h Check tyre(s) .............................. 384
ÿ Coolant Stop vehicle Switch
engine off ............................................ 361 !
currently una vailable See Own‐
er's Manual .......................................... 376
÷ currently una vailable See Own‐
er's Manual .......................................... 377
5 Engine oil le vel cannot be
measured ............................................ 387
5 Engine oil le velRe duce oil le vel
............................................................. 387
ä Fault Drive at max. 80 km/h ......373
6 Front left malfunction Consult
wo rkshop (e xample)............................ 348
! inoperative See Owner's Man‐
ual ....................................................... 377
÷ inoperative See Owner's Man‐
ual ....................................................... 378
T inoperative See Owner's Man‐
ual ....................................................... 379
G Inoperative .................................3 81
 Insert key .................................. .353 Â
Key not de tected (red displ ay
messa ge).............................................3 52
 Key not de tected (white display
messa ge).............................................3 52
: Left dipped beam (e xamp le) .......3 53
6 Left wind owbag malfunction
Consult workshop (e xample).............. .348
: Malfunction See Owner's Man‐
ual ....................................................... 353
ð Maximum speed exceeded ......... 372
ç Off..............................................3 71
ë Off..............................................3 72
! Parking brake See Owner's
Manual ................................................ 365
Ù Rear axle steering cur rently
una vailable .......................................... 357
Ù Rear axle steering Malfunction
Vi sit workshop .....................................3 57
h Rectify tyre pressure .................. 385
! Release parking brake ................ 368 Index
411